LG THERMA V HN0913T Installation Manual page 77

How to wire thermostat
Follow below procedures Step 1 ~ Step 3.
Step 1. Uncover front cover of the unit and open the control box.
Step 2. Identify the power specification of the thermostat. If it is 220-240 V~, go to Step 3.
Step 3. Find terminal block and connect wire as below.
! WARNING
Mechanical type thermostat.
Do not connect wire (N) as mechanical type thermostat does not require electric power
supply.
! CAUTION
Do not connect external electric loads.
Wire (L) and (N) should be used only for operation electric type thermostat.
Never connect external electric loads such as valves, fan coil units, etc. If connected, Main
PCB (Heater) can be seriously damaged.
(L) : Live signal from PCB to thermostat
(N) : Neutral signal from PCB to thermostat
(C) : Cooling signal from thermostat to PCB
(H) : Heating signal from thermostat to PCB
(D) : DHW Heating signal from thermostat to PCB
Final check
• DIP switch setting :
Set DIP switch No. 8 to 'ON'. Otherwise, the unit can not recognize the thermostat.
• Remote Controller :
- 'Thermostat' text is displayed on the remote controller.
- Button input is prohibited.
23 24 25
L N L1
THERMOSTAT
(Default : 230 V AC)
(L) (N) (C)
Thermostat
ACCESSORIES INSTALLATION
26 27
L2 L3
(H) (D)
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